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Fig. 17 —
UPM I Control Board
(Single Compressor Units)
Fig. 18 —
Freeze Protection Sensor
Fig. 19 —
UPM II Control Board
(Dual Compressor Units)
UPM CONFIGURATION
Several of the UPM features are configurable via dip switches on
the UPM. Table 5 outlines the default configuration.
UPM FEATURES
Anti-Short Cycle Timer
5-minute delay on break timer to prevent compressor short
cycling.
Random Start
Each controller has a unique random start delay ranging from 270
to 300 seconds on initial power up to reduce the chance of
multiple units simultaneously starting at the same time (after
NUMBER
ITEM
1
Board Power Indicator
2
UPM Status LED Indicator
3
Water Source Coil Freeze Protection Temperature
Selection (R30)
4
Load Water Coil Freeze Protection Temperature
Selection (R24)
5
UPM Board Settings
6
Source Coax Freeze Connection (Freeze 1)
7
Load Coax Freeze Connection (Freeze 2)
8
LCD Unit Display Connection
9
24VAC Power Unit
10
Compressor Contact Output
11
High Pressure Switch Connection
12
Call for Compressor Y1
13
Low Pressure Switch Connection
14
24VAC Power Common
15
Condensate overflow Sensor
(not applicable on 50PSW)
16
Dry Contact
17
UPM Ground Standoff
Freeze
Protection
Sensor
NUMBER
ITEM
1
Power LED Indicator
2
Status LED Indicator
3
Source Freeze 1 Protection Temperature Selection (R17)
4
Load Freeze 2 Protection Temperature Selection (R77)
5
UPM II Board Settings
6
Freeze Connection (Freeze 1)
7
Load Coax Freeze Connection (Freeze 2)
8
Power 24VAC-R
9
Compressor 1 Control Output
10
Compressor 2 Control Output
11
High Pressure Switch 1st Stage
12
Thermostat Y1 Call
13
Low Pressure Switch 1st Stage
14
Low Pressure Switch 2nd Stage
15
Thermostat Y2 Call
16
High Pressure Switch 2nd Stage
17
Condensate Switch (Not Applicable)
18
Alarm Output Dry Contact N.O.
19
Ground Connection
Table 5 —
UPM Default Configurations
SWITCH
NUMBER
DIP SWITCH
LABEL
ON FUNCTION
OFF
FUNCTION
(DEFAULT)
1
Test
YES
NO
2
Alarm
Continuous
Pulse
3
Reset
R (T-Stat)
Y (Unit Power)
4
Lockout
4
2
Summary of Contents for Aquazone 50PSW025
Page 15: ...15 Fig 9 Unit Size 122 1 Phase Complete C Deluxe D Control Package DWG No 50PSW120000 Rev 3 ...
Page 17: ...17 Fig 11 Unit Sizes 122 1 Phase W2W Open Control Package DWG No 50PSW120001 Rev 4 ...
Page 21: ...21 Fig 15 Unit Size 122 240 420 3 Phase W2W Open Control Package DWG No 50PSW320001 Rev 3 ...
Page 36: ...36 Fig 22 W2W Open Control Board ...
Page 37: ...37 Fig 23 Unit Protection Module UPM Sequence Of Operation ...