resideo HZ311K True ZONE Panel Kit User Guide
- June 7, 2024
- resideo
Table of Contents
HZ311K TrueZONE Panel Kit
SUBMITTAL SHEET
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Engineer|
Mechanical Contractor|
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Representative|
Notes|
Model(s)|
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HZ311K| Qty.| Notes
ApprovalService|
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APPLICATION
Model HZ311K : Kit includes HZ311 zone panel, C7735A1000 discharge sensor, and AT140A1042 40 VA transformer. 3 zones and 1H/1C conventional heat only.
SPECIFICATIONS
Input Ratings:
Voltage: 18-30 VAC 50/60 Hz transformer of 40 VA or more.
Current Draw:
Zone Panel: 6.25 VA max.
All VA specifications at 24 VAC.
Wiring: 18-gauge solid (not stranded) wire.
Mounting Means: The HZ311 has mounting holes on the sides top and bottom
so it can be mounted on a wall, return duct, or stud.
Humidity Ratings: 5% to 90% RH non-condensing.
Temperature Ratings:
Shipping: – 20° to 150°F (-29° to 66°C).
Operating: -40° to 165°F (-40° to 74°C).
Emissions: Complies with FCC Class B, part 15 requirements.
Maximum Dampers Per Zone (Size Transformer Appropriately):
| Max temperature in zone panel location | **Maximum VA per zone *** |
|---|---|
| 100°F (38°C) | 28.8 VA |
| 160°F (71°C) | 16.8 VA |
6.5 VA for HZ311 zone panel.
8 VA per ARD series zone damper.
8 VA per ZD series zone damper.
2.5 VA per MARD series zone damper.
2.5 VA per RRD series zone damper.
- If exceeding max VA per zone, use SDCR relay to isolate a zone from panel. Separate SDCR required for each zone exceeding max VA.
Zone Dampers for use with HZ311K:
| Damper | Sizes | VA per damper (max) |
|---|---|---|
| ZD series (rectangular) | Even sizes from 6″ x 6″ up to 28″ x 20″ | 8 VA |
| ARD series (Round) | 5-10″ in 1″ increments 12-18″ in 2″ increments. | 8 VA |
| MARD series (round) | 5, 6, 8, 9, 10, 12, 14, 16, and 18″ models. | 2.5 VA |
| RRD series (retrofit) | 5, 6, 7 and 8″ models. | 2.5 VA |
Accessories:
| Model number | Description |
|---|---|
| AT140A1042 | 40 VA transformer (included in HZ311K (kit)). |
| AT175A1058 | 75 VA transformer. |
| C7735A1000 | Discharge Sensor (included in HZ311K (kit)). |
| SDCR | Secondary Damper Control Relay. Needed when there are too many dampers |
for a zone.
Thermostats| HZ311K is compatible with most thermostats that use R, W, Y, G (C
required on some models).
By using this Resideo literature, you agree that Resideo will have no liability for any damages arising out of your use or modification to, the literature. You will defend and indemnify Resideo, its affiliates and subsidiaries, from and against any liability, cost, or damages, including attorneys’ fees, arising out of, or resulting from, any modification to the literature by you.
Resideo Technologies, Inc.
1985 Douglas Drive North, Golden Valley, MN 55422
1-800-468-1502
33-00290—–02 M.S. Rev. 07-21 | Printed in United States
www.resideo.com
