HUUM CLIFF Mini 4 Electric Sauna Heater Instruction Manual

: June 1, 2024
: HUUM

Table of Contents

JAN

HUUM CLIFF Mini 4 Electric Sauna Heater

HUUM CLIFF Mini 4 Electric Sauna Heater

JAN

ELECTRIC SAUNA HEATER

Installation and operation manual

NB! The following instructions for electrical works must be carried out by a certified electrician.
NB! We recommend a specialist to lay the stones on the heater.
NB! This appliance is not intended for use by persons (including children)with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
NB! Children should be supervised to ensure that they do not play with the appliance.
NB! The installation instructions for appliances for public saunas that do not have a timer shall state that a pilot lamp showing that the heater is switched on is to be installed in the attendant’s room.
The safety of the products is based on EN 60335-2-53: 2011 “Household and similar electrical appliances. Safety. Part 2-53: Particular requirements for sauna heating appliances and infrared cabins”.
The HUUM CLIFF electric sauna heater delivery set contains:

electric heater;
installation and operation manual for the electric heater.
2 blocks for disassembling the slats of the sauna stove.

NB! The electric heater requires a control panel and stones.

THINGS TO CHECK BEFORE INSTALLATION

Does the output (kW) match the volume (ft³/m³) of the sauna room? See Table 1-2.
In case there are any uninsulated brick, tile or glass walls in the sauna room, an additional volume of 53 ft³ (1.5 m³) should be added to the sauna room for each 11 ft2 (1 m2 ) of the wall.
The suitable output of the heater will be determined based on Table 1-2.
The producer’s warranty guarantee is invalid if the heater and sauna room have been dimensioned incorrectly!
Minimal safe distances between the sauna room’s ceiling and walls in view of installing the electric heater are listed in Table 3.
The 6, 9 and 11 CLIFF models are attached to the floor by using the accompanying brackets. Install the bracket to the heater leg as shown below and fix it to the floor with a suitable screw (preferably minimum of 6 x 40mm).

Dimension

CLIFF Mini 4 is attached to the wall with a special bracket See CLIFF Mini 4 heater data in the table below.

Table 1|

Output kW
(240 V)

|

Room

|

Amps
A

|

Circuit breaker

A

|

Wire size

AWG

---|---|---|---|---|---
CLIFF Mini 4|

4

| 124-212 ft3 3,5-6 m3| 14.58|

20

|

12

CLIFF 6|

6

| 176.5-353 ft3 5–10 m3| 25|

30

|

10

CLIFF 9|

9

| 318-530 ft3 9–15 m3| 37.5|

50

|

8

CLIFF 11|

11

| 353-600 ft3 10-17 m3| 43.75|

50

|

6

Table 2| Output kW (208 V)| Room| Amps A| Circuit breaker A| Wire size AWG
---|---|---|---|---|---
CLIFF Mini 4|

2.85

| 106-160 ft3 3-4.5 m3|

12.5

|

20

|

12

CLIFF 6| 4.8| 160-265 ft3 4.5-7.5 m3| 21.63|

30

|

10

CLIFF 9|

7.1

| 230-388 ft3 6.5-11 m3|

32.45

|

40

|

8

CLIFF 11|

8.5

| 265-441 ft3 7.5-12.5 m3|

37.98

|

50

|

6

Table 3	A	B	H	Width/ Depth
CLIFF Mini 4	2.36 in 60 mm	15.35 in 390 mm	38.4 in 975 mm	10.6 in/6.3 in
270 mm/160 mm	33 lb 15 kg
CLIFF 6	2.36 in 60 mm	15.35 in 390 mm	38.4 in 975 mm	10.6 in/ 10.6 in 270
mm/270 mm	35.2 lb 16 kg
CLIFF 9	9.45 in 240 mm	29.5 in 750 mm	38.4 in 975 mm	10.6 in/ 10.6 in 270
mm/270 mm	35.2 lb 16 kg
CLIFF 11	15 in 380 mm	40.5 in 1030 mm	38.4 in 975 mm	10.6 in/ 10.6 in 270
mm/270 mm	37.5 lb 17 kg

INSTALLATION

Positioning the heater

A method to disconnect all poles from the mains (a circuit breaker) must be installed on the power circuit before the sauna controller.
Only a certified electrician is allowed to connect the heater to the
power supply.
The power cable of the heater must meet the requirements of UL 62 in US and CSA 49 in Canada.
It is recommended to connect the unit to the mains without an earth-leakage circuit breaker.
The maximum current intensity in the cross-sectional area of the cable and circuit breaker are listed in Table 1 and Table 2.
The cable must be secured to the clamp on the cover screw.

NB! It is forbidden to use a non-heat-resistant cable with PVC isolation as the power cable. The joint box must be waterproof and it must be located up to 20 in (50 cm) from the floor.

Open the cover of the heater’s electrical box.
Attach the power cable on the terminal block according to the circuit diagram.
Close the cover.
Fix the cable on the output with a cable strap

CLIFF 4

240V 2~ 208V 2~

CLIFF 6 CLIFF 9 CLIFF 11

240V 2~ 208V 2~

Fitting the stones

Make sure that the heating elements are not bent during the process.
There must be sufficient air circulation around the heater elements.
We recommend washing the stones before filling the receptacle.
Stack the stones sparsely between the heating elements. If the stones have been stacked too close to each other, the heating elements may overheat (= shorter useful life) and slow the heating of the sauna.
Stones with a diameter of 1.2-1.9 in (3–5 cm) are suitable for the heater.
The stones on the external surface of the heater must be stacked close to one another. The heating elements must not be visible.
Using ceramic stones in the CLIFF heater is allowed at the user’s responsibility.

ATTENTION! Too sparsely filled stone container causes fire hazard!
NB! We recommend a specialist to lay the stones on the heater.

Fitting the stones

Removing the ribs of the heater

For fitting the stones, all of the ribs are removable by props (A).

On the bottom of the heater, release the nuts of the threaded rod by 5 mm.
Push the props between the ribs of the heater.
Release the rib from both ends.
Carefully remove the rib from the joint, first from the right end and then the left.

NB! Pull the rib away from the heater without using force or turning the rib – avoid bending the tenons!

Removing the ribs of the heater

The rib under the removed rib is instantly removable in a similar fashion.

The procedure is reversed for putting the ribs back. The rib must be attached to the joint from the left end first and then from the right.

First-time use of the sauna heater

Before switching the heater on, the insulation resistance might prove to be lower than the standard. The reason for that is the moisture seeped into the insulating layer during storage in the warehouse and transportation.

The moisture evaporates in 1–2 hours of heating the electric heater.

Controlling the heater

All certified control panels may be used in controlling the heater.
The output of the heater must remain in the interval determined by the control panel’s producer.

Product can be used only with control unit with timer function.
Including other than those for installation in public saunas, shall be provided with a timer. For appliances for use in blocks of flats, hotels and similar locations, the operating period of the sauna heater shall be limited to 12 h with a minimum rest period of 6 h before any automatic restarting. For other appliances, the operating period of the timer shall be limited to 6 h, automatic restarting not being allowed.

Guard rails

It is recommended to construct a guard rail around the heater.
We recommend using materials with low heat capacity and bad thermal conductivity for the guard rail.
Upon using flammable materials, it is necessary to leave the specified minimal safety clearances between the heater and flammable constructions.

ATTENTION! IF THE HEATER IS INSTALLED CLOSER TO FLAMMABLE CONSTRUCTIONS THAN AT THE DISTANCE OF THE MINIMAL REQUIRED PROTECTION BELT IT MAY CAUSE A FIRE HAZARD!

SAUNA ROOM

Wall materials and insulating the sauna room

In a sauna with electric heating, all massive heat accumulating wall surfaces (brick, glass brick, rendering etc.) must be insulated to use the electric heater with a regular output.

The following sauna wall and ceiling construction is considered to be sufficiently insulated:

a carefully installed insulation wool layer of 4 in, minimum 2 in (100 mm, min. 50 mm);
the construction is damp proofed with taped aluminium paper or other reflective material;
there is a 0.4 in (10 mm) air gap between the damp protection and boarding;
light wooden boards with about a 0.5-0.65 in (12–16 mm) thickness have been used for interior finishing;
there is an air gap of at least 0.2 in (5 mm) on the edge of the ceiling panels at the upper part of the wall panelling.

In order to use the heater with a regular output, it would be practical to bring the ceiling of the sauna lower regular 86.6 – 91 in, min. height of sauna room 86.6 in (2200–2300 mm, min. height of sauna room 2200 mm) so that the volume of the sauna room diminishes. The ceiling is insulated with an insulation layer at least 4 in (100 mm) thick and boarded according to the method described above. Wood should be used to cover internal surfaces; an exception may be made for heat resistant walls in the vicinity of the heater.

ATTENTION! Insulating the heat barrier has to be approved by the fire inspector. Insulating flues in use is forbidden!

NB! Covering the walls or floor with light protective material, for example, mineral tiles that are installed directly on the surface of the walls or ceiling might cause the dangerous overheating of the wall or ceiling material.

Floor of the sauna room

The heater stones in use crumble due to temperature changes.
The pieces and pebbles breaking away from the heater stones are washed on the sauna’s floor with the steam-making water. Hot stone parts may damage plastic flooring under and near the heater.

Heater stone particles and sprays from the steam-making water (e.g., with iron content) may absorb into the light joints of a tile floor. In order to avoid aesthetic damage (caused by the reasons mentioned above), ceramic tiles and dark joint filler should be used under and around the heater.

Ventilation of the sauna

In order to guarantee a sufficient supply of oxygen and fresh air, the sauna’s ventilation must be as efficient as possible. It is advisable to direct the fresh air into the sauna room from above the heater stones.
As an alternative, the fresh air may be directed in from under the heater.
The air inlet must be equipped with an adjustable valve.
The exhaust valve must be installed in the opposite wall from the inlet valve at least 7.9 in (20 cm) above the height of the inlet valve.
It is advised to install a ventilation valve at the upper part of the sauna room for the final ventilation

WARNING!

Before turning on the electric heater, always check the sauna room and heater.
The heater may be used only when it has been correctly filled with stones.
Do not cover the heater—this causes fire hazard.
Do not touch a working heater, it causes burns.
Incorrect ventilation of the sauna room may dry the wood too much and cause a fire hazard in the sauna.
Only tap water may be used for making steam.
Never make steam by using a water hose.
There must always be at least 2 in (5 cm) of fireproof heat insulation under the boarding.
Sauna doors must always open outwards.
Do not use the sauna for a purpose it is not intended for.
Do not install more than one heater into the sauna room.
Undiluted sauna essences etc. may ignite when poured directly onto the stones.
Do not leave small children unattended in the sauna.
Sudden cooling after staying in the steam room is not recommended for people with poor health. Consult a doctor.
Enjoy the sauna as long as it is comfortable for you.
Keep this information at a safe place.
The product’s warranty guarantee does not extend to heating elements.

WARRANTY

Buyer is obligated to read user manual and follow instructions and requirements presented. Damage to the product caused by not following instructions and requirements will void warranty.
If any defects are found on the product, where manufacturer can be blamed, then buyer has the right to demand fixing or replacing the product. Demands must be made not later than 5 years after buying the product. Purchase receipt needs to be presented when warranty demands are made.

Warranty Terms

Warranty applies only to electric heaters that have been used according to the manual
NB! Warranty does not cover heating elements. They are considered as consumable parts.
Warranty does not cover wear that occurs from natural usage.
Warranty does not imply when:
- damage or defects are caused by transportation or other actions not controlled by manufacturer;
- product has been damaged by carelessness or overload;
- product has not been installed correctly;
- product has been modified in any way;
- warranty period is over;
- product is not complete.