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Universal Variable Air Volume Control Package
CONTENTS
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
- 37HS1 UNIT WITH 47-IN. DIFFUSER
AND 37HS2 UNIT
AIRFLOW ADJUSTMENT . . . . . . . . . . . . . . . . . . . . 9
Maximum Airflow (Cfm) Adjustment . . . . . . . . . . 9
Minimum Airflow (Cfm) Adjustment . . . . . . . . . . 9
INTRODUCTION
These instructions describe the installation and adjust-
ment of the universal variable air volume (VAV) control pack-
age. This package contains all necessary control devices and
hardware for mounting the system-powered controls on 37HS1,
37HS2 and 37HS4 Moduline® units.
Note that for certain applications, additional control pack-
ages are required and must be ordered separately. These
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 3
PC 201
Catalog No. 533-716
Tab
6a
Installation Instructions
Page
Fig. 1 - Contents of the Universal VAV Control Package
Printed in U.S.A.
include wall thermostats, warm-up valves, changeover valves
and electric warm-up valves. Separate installation instruc-
tions are provided in these packages.
This package supplements the individual VAV control pack-
ages offered for specific Moduline models. Table 1 shows
the control packages available for specific models and the
universal VAV package. Note that the constant volume con-
trol package applies to all 37HS models. Figure 1 shows the
contents of the universal VAV control package.
Table 1 - Volume Control Package Numbers
VARIABLE
AIR
UNIT
VOLUME*
37HS1
37HS900001
37HS2
37HS900002
37HS4
37HS900004
*The same volume controller is used for all 37HS models; however,
other components in the VAV control packages differ.
UNIVERSAL VARIABLE AIR VOLUME
CONTROL PACKAGE-DIFFUSER THERMOSTAT
UNIT
Package Number
37HS1
37HS2
37HS4
Form 37HS-6SI
Pg 1
37HS
CONSTANT
AIR VOLUME or
WALL THERMOSTAT
APPLICATIONS
Package Number
37HS900003
37HS900003
37HS900003
37HS900005
7-91
Replaces: New
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Table of Contents
Related Manuals for Carrier 37HS Series
Summary of Contents for Carrier 37HS Series
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Page 1: Table Of Contents
37HS Universal Variable Air Volume Control Package Installation Instructions include wall thermostats, warm-up valves, changeover valves CONTENTS and electric warm-up valves. Separate installation instruc- Page tions are provided in these packages. INTRODUCTION ......1 This package supplements the individual VAV control pack- INSTALLATION . -
Page 2: Installation
INSTALLATION General — Controls may be installed in the unit before or after the unit is hung or placed in the ceiling grid. How- ever, if warm-up switches or changeover valves are used, the controls should be installed before the unit is placed in the ceiling structure. - Page 3 6. Moisten the 2 O-rings with water, then push the filter into the unit control block and onto bellows connection until the standoffs rest on the unit end plate. See Fig. 7. 7. Remove cap on thermostat port of volume controller. Pull shim down until released from port and then pull shim out from body of volume controller.
- Page 4 VARIABLE AIR VOLUME CONTROLS — 37HS1 unit with 47-in. Diffuser and 37HS2 unit From the universal control package, select the following com- ponents (see Fig. 12): • filter assembly • pneumatic tubing, ⁄ in. long • volume controller HIGH • diffuser baffle, narrow, 3 ⁄...
- Page 5 6. Remove cap on thermostat port of volume controller. Pull shim down until released from port and then pull shim out from body of volume controller. Discard shim. Figure 16 shows the volume controller and Fig. 17 shows the shim removal. 7.
-
Page 6: Variable Air Volume Controls - 37Hs4 Unit
VARIABLE AIR VOLUME CONTROLS — 37HS4 UNIT From the universal control package, select the following com- ponents (see Fig. 21): • filter assembly • pneumatic tubing, ⁄ in. long • volume controller • diffuser baffle, wide, 3 ⁄ in. long HIGH •... - Page 7 6. Remove cap on thermostat port of volume controller. Pull shim down until released from port and then pull shim out from body of volume controller. Discard shim. Figure 25 shows the volume controller and Fig. 26 shows the shim removal. 7.
-
Page 8: Interconnecting Tubing, All Models
11. Moisten the O-rings of the volume controller with water INTERCONNECTING TUBING, ALL MODELS See Fig. 31. and push the controller directly into the filter. For 2 units controlled by a single volume controller — 12. Install the thermostat on the center diffuser, then snap 1. -
Page 9: Airflow Adjustment
Table 4 — Maximum Number of Units in an AIRFLOW ADJUSTMENT Air Series on One Control Each 37HS volume controller is equipped with a maxi- mum cfm lever for setting the required unit airflow in the PLENUM NUMBER OF UNITS ON ONE CONTROLLER field. - Page 10 OPEN MINIMUM CFM STAR WHEEL MAXIMUM CFM LEVER VOLUME CONTROLLER Fig. 32 — Minimum and Maximum Airflow Adjustments, 37HS Controller...
- Page 12 Copyright 1991 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 3 PC 201 Catalog No. 533-716 Printed in U.S.A. Form 37HS-6SI Pg 12 7-91 Replaces: New...