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1
Installation Instructions
50HCQ
WeatherMaster
R
Series
Single Package Rooftop
Heat Pump
with Puron
r
(R-410A) Refrigerant
Sizes 07, 08, 09
NOTE: Read the entire instruction manual before starting
the installation
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
2
. . . . . . . . . . . . . . . . . . . .
Rated Indoor Airflow (cfm)
3
. . . . . . . . . . . . . . . . . . . . .
REFRIGERATION SYSTEM COMPONENTS
8
. . . . . . .
INSTALLATION
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jobsite Survey
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 1 − Plan for Unit Location
10
. . . . . . . . . . . . . . . . .
Roof Mount
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 2 − Plan for Sequence of Unit Installation
10
. . . . .
Curb−Mounted Installation
10
. . . . . . . . . . . . . . . . . .
Pad−Mounted Installation
10
. . . . . . . . . . . . . . . . . . .
Frame−Mouned Installation
10
. . . . . . . . . . . . . . . . .
Step 3 − Inspect Unit
10
. . . . . . . . . . . . . . . . . . . . . . . . . .
10
. . . . . . . . . . . . . . . . . .
Roof Curb Mount
10
. . . . . . . . . . . . . . . . . . . . . . . . .
Slab Mount (Horizontal Units Only)
11
. . . . . . . . . .
Alternate Unit Support
11
. . . . . . . . . . . . . . . . . . . . .
Step 5 − Field Fabricate Ductwork
13
. . . . . . . . . . . . . . .
For Units with Accessory Electric Heaters
13
. . . . .
13
. . . . . . . . . . . . . . . . . . . .
Positioning on Curb
13
. . . . . . . . . . . . . . . . . . . . . . .
Step 7 − Convert to Horizontal & Connect Ductwork
14
.
Step 8 − Install Outside Air Hood
15
. . . . . . . . . . . . . . .
Economizer and Two Position Damper Hood
Package Removal and Setup − Factory Option
15
. .
Economizer Hood and Two−Position Hood
15
. . . . .
Step 9 − Install External Condensate Trap and Line
16
. . .
Step 10 − Make Electrical Connections
16
. . . . . . . . . . .
Field Power Supply
16
. . . . . . . . . . . . . . . . . . . . . . . .
Units with Factory−Installed
Non−Fused Disconnect
17
. . . . . . . . . . . . . . . . . . . . .
Units without Factory−Installed
Non−Fused Disconnect
18
. . . . . . . . . . . . . . . . . . . . .
Convenience Outlets
18
. . . . . . . . . . . . . . . . . . . . . . .
Factory Option Thru−Base Connections
20
. . . . . . .
Units without Thru−Base Connections
20
. . . . . . . . .
Field Control Wiring
20
. . . . . . . . . . . . . . . . . . . . . . .
Thermostat
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Central Terminal Board
20
. . . . . . . . . . . . . . . . . . . . . .
Commercial Defrost Control
21
. . . . . . . . . . . . . . . . . .
Unit without Thru−Base Connection Kit
23
. . . . . . .
Heat Anticipator Settings
23
. . . . . . . . . . . . . . . . . . .
Electric Heaters
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Single Point Boxes and Supplementary Fuses
24
. . . . .
Single Point Boxes without Fuses
24
. . . . . . . . . . . . . .
Low−Voltage Control Connections
24
. . . . . . . . . . . . .
EconoMi$er X (Factory−Installed Option)
24
. . . . . . . . .
Staged Air Volume (SAV
t
) with
Variable Frequency Drive (Factory−Installed Option) 24
PremierLink
t
Controller (Factory Option)
25
. . . . . . . .
Supply Air Temperature (SAT) Sensor
27
. . . . . . . . .
Outdoor Air Temperature (OAT) Sensor
27
. . . . . . .
EconoMi$er2
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field Connections
27
. . . . . . . . . . . . . . . . . . . . . . . . . .
Space Sensors
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connect Thermostat
30
. . . . . . . . . . . . . . . . . . . . . . .
Configure the Unit for Thermostat Mode
30
. . . . . .
Economizer Controls
31
. . . . . . . . . . . . . . . . . . . . . . . .
Indoor Air Quality (CO
2
sensor)
31
. . . . . . . . . . . . .
Outdoor Air Quality Sensor
31
. . . . . . . . . . . . . . . . .
Smoke Detector/Fire Shutdown (FSD)
32
. . . . . . . . .
Filter Status Switch
32
. . . . . . . . . . . . . . . . . . . . . . . .
Supply Fan Status Switch
32
. . . . . . . . . . . . . . . . . . .
Remote Occupied Switch
32
. . . . . . . . . . . . . . . . . . .
Power Exhaust (output)
33
. . . . . . . . . . . . . . . . . . . . .
CCN Communication Bus
33
. . . . . . . . . . . . . . . . . .
RTU Open Controller System
34
. . . . . . . . . . . . . . . . . . .
Supply Air Temperature (SAT) Sensor
36
. . . . . . . . .
Outdoor Air Temperature (OAT) Sensor
36
. . . . . . .
EconoMi$er2
36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Содержание WeatherMaster 50HCQ
Страница 4: ...4 C160133 Fig 2 Unit Dimensional Drawing 07 08 Size Units 50HCQ...
Страница 5: ...5 C160134 Fig 2 Unit Dimensional Drawing 07 08 Size Unit cont 50HCQ...
Страница 6: ...6 C10588 Fig 3 Unit Dimensional Drawing 09 Size Units 50HCQ...
Страница 7: ...7 C10589 Fig 3 Unit Dimensional Drawing 09 Size Unit cont 50HCQ...
Страница 26: ...26 C160124 Fig 39 Typical PremierLinkt Control Wiring Diagram 50HCQ...
Страница 35: ...35 C160125 Fig 56 Typical RTU Open Controller Wiring Diagram 50HCQ...
Страница 53: ...53 50HCQ...