Hi-Velocity HE-Z Manuel - Page 7

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Damper Wiring and Configuration
Dampers default to the "OPEN" position
- When all zone demands are satisfied with
no signals from the thermostats.
- After a purge delay
- During change over
- Short cycle delays
SINGLE STAGE CONDENSING UNIT
ZONE 3
THERMOSTAT
ZONE 3 THERMOSTAT INPUT
ZONE 3
ZONE 2
DAMPER
DAMPER
3 2 1
3 2 1
TWO STAGE OR VARIABLE SPEED CONDENSING UNIT
ZONE 3
THERMOSTAT
ZONE 3 THERMOSTAT INPUT
ZONE 3
ZONE 2
DAMPER
DAMPER
3 2 1
3 2 1
ZONE 2
THERMOSTAT
THERMOSTAT
ZONE 2 THERMOSTAT INPUT
ZONE 1 THERMOSTAT INPUT
ZONE 1
24V INPUT - 4.0A
DAMPER
PROTECTED
3 2 1
1
OPTIONAL EXTERNAL 24V
1. REMOVE THE R AND C JUMPER
AND REPLACE WITH THE OPTIONAL
EXTERNAL 24V TRANSFORMER
ZONE 2
THERMOSTAT
THERMOSTAT
ZONE 2 THERMOSTAT INPUT
ZONE 1 THERMOSTAT INPUT
ZONE 1
24V INPUT - 4.0A
DAMPER
PROTECTED
3 2 1
1
OPTIONAL EXTERNAL 24V
1. REMOVE THE R AND C JUMPER
AND REPLACE WITH THE OPTIONAL
EXTERNAL 24V TRANSFORMER
From factory the fan coil is pre-wired for two
stage cooling. If single stage cooling is desired
the fan coils controls will need to be re-wired.
Below are the required changes.
Follow the HE-Z Fan coils main Installation
Manual for wiring the PSB to the system.
ZONE 1
HVAC
SYSTEM
1
RH and RC is
internally jumpered.
ZONE 1
HVAC
SYSTEM
1
RH and RC is
internally jumpered.
HI-VELOCITY
PSB CIRCUIT BOARD
W1
W2
C
G
R
Y2
Y1
D
O/B
HI-VELOCITY
PSB CIRCUIT BOARD
W1
W2
C
G
R
Y2
Y1
D
O/B
Pre-Release 052917
052917
7