July
7
th
,
2010
Table
of
Contents
1.
INFORMATION
.................................................................................................................................
1
Handling/Storage
..........................................................................................................................................
1
Weight/Dimension/Clearances
.....................................................................................................................
2
2.
INSTALLATION
..................................................................................................................................
3
General
Install
Checklist
................................................................................................................................
5
Location/Placement/Piping
..........................................................................................................................
6
Condensate
Drain
Connection
......................................................................................................................
7
Wiring
............................................................................................................................................................
8
3.
OPERATION
......................................................................................................................................
9
Board
Description
.......................................................................................................................................
10
Fan
...............................................................................................................................................................
11
Heat
Operation
...........................................................................................................................................
11
Cool
Start
Up
...............................................................................................................................................
11
Cool
Operation
............................................................................................................................................
12
Operational
Algorithm
................................................................................................................................
14
Thermostat
Connection
..............................................................................................................................
14
Shutdown
Output
........................................................................................................................................
15
Fault
Alarm
Output
.....................................................................................................................................
15
4.
COMMISSION
&
START
UP
.............................................................................................................
17
5.
MAINTENANCE
...............................................................................................................................
20
SKH008
‐
SKH018
Wiring
Diagram
..............................................................................................................
21
SKH020
‐
SKH060
Wiring
Diagram
..............................................................................................................
22
6.
APPENDIX
A
(DETAILS)
...................................................................................................................
23
SKH008
‐
SKH018
.........................................................................................................................................
24
SKH020
‐
SKH036
.........................................................................................................................................
25
SKH042
‐
SKH060
.........................................................................................................................................
26
