Systemair SR20 Oversized Oil Pan Instruction Manual

: June 9, 2024
: systemair

Table of Contents

Systemair SR20 Oversized Oil Pan
Product Information: Drain Pan
Installation Instructions
Introduction
Installation
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Systemair SR20 Oversized Oil Pan

Systemair SR20 Oversized Oil Pan-product

Product Information: Drain Pan

The Drain Pan is an essential accessory for the Topvex SR. It isused to collect any condensation water that may occur when the water coil in the Topvex SR is used as a cooler with cold water. The drain pan comes with rivets to attach it to the unit and protective stickers for rivet and grommet holes.

Installation Instructions

Warning: Before performing any maintenance or electrical work, disconnect the main power supply to the unit.

Step 1: Remove Supply Air Fan

For all Topvex SR sizes, remove the supply air fan for easy access. Disconnect the fast coupling to the electric wire. Disconnect the blue and red tubes from the supply air fan (standard units with CAV). The blue tube is connected to the cone (1) of thefan, and the red tube is connected to the measuring nipple on the wall or on the sheet metal on the suction side. Loosen the two bolts on the rail to remove the fan.

Step 2: Remove Coil Plate and Bracket

For SR20, 25, 60, 80, and 100 and SR35, 70 units, use a drill to remove the inner coil plate and bottom coil bracket. Attach protective stickers over the holes. The upper coil bracket remains in place.

Step 3: Place Drain Pan and Water Coil

Remove the bottom grommet (1) from the water coil and place a protective sticker over the hole. Place the water coil in the drain pan. Place the inner coil plate with the coil in the drain pan. The water coil is placed in the drain pan to ensure placement with the upper coil bracket. Mark the drill holes using the drain pan as a template.

Step 4: Drill Holes and Attach Drain Pan and Inner Plate

Remove the drain pan and water coil. Drill 4.2 mm holes. Place the water coil in the drain pan and push it into the air handling unit. Fasten the inner plate with rivets to the upper coil bracket. Fasten the drain pan with rivets. Put the fan in place and connect the electric wire and tubes. For connection to drains, follow the local demands.

For more information or assistance, visit www.systemair.com

Introduction

If the water coil in Topvex SR is used as a cooler (with cold water) a drain pan must be installed.

Product Overview

Parts enclosed
Drain pan, rivets to attach the drain pan, protective stickers for rivet and grommet holes.

Intended use
Place the drain pan under the water coil to collect possible condensation water.

Installation

Danger
Disconnect the mains power supply to the unit is before performing any maintenance or electrical work.

Warning

Beware of sharp edges. Use gloves and protective clothing.
Be aware of rotating parts even if the mains power supply is disconnected.

For all Topvex SR sizes

Disconnect the fast coupling to the electric wire.
Disconnect the blue and red tubes from the supply air fan (standard units with CAV). Blue tube is connected to the cone (1) of the fan, the red tube is connected to the measuring nipple on the wall or on the sheet metal on the suction side.
Loosen the two bolts on the rail to remove the fan.

SR20, 25, 60, 80, 100

Use a drill to remove the inner coil plate. Systemair SR20 Oversized Oil Pan-
fig-4

Use a drill to remove the bottom coil bracket. Attach protective stickers over the holes. The upper coil bracket remains in place. Systemair SR20 Oversized
Oil Pan-fig-5

Remove the bottom grommet (1) from the water coil and place a protective sticker over the hole. Place the water coil in the drain pan. Systemair SR20
Oversized Oil Pan-fig-6

The water coil is placed in the drain pan to ensure the placement with the upper coil bracket. Mark the drill holes using the drain pan as a template. Systemair SR20 Oversized Oil Pan-fig-7

Remove the drain pan and water coil. Drill 4,2 mm holes. Systemair SR20
Oversized Oil Pan-fig-8

Place the water coil in the drain pan and push it in to the air handling unit.

SR20, 25, 60, 80, 100 Fasten the inner plate with rivets to the upper coil bracket.
Fasten the drain pan with rivets. Put the fan in place and connect the electric wire and tubes.
For connection to drains, follow the local demands.