![background image](http://html1.mh-extra.com/html/graco/hfr/hfr_setup-and-operation_2251558032.webp)
Component Identification
32
313997A
Adjust Rotary Switch
The rotary switch setting indicates which zone the tem-
perature control module will control in the system. The
high power module uses an 8-position rotary switch. The
low power module uses a16-position rotary switch.
Set the rotary switch (S) to the specific selection accord-
ing to the settings listed in the following tables.
High Power Module Rotary Switch Settings
Low Power Module Rotary Switch Settings
F
IG
. 11
High Power Module Rotary Switch Location
Low Power Module Rotary Switch Location
S
S
ti12360a
ti12361a
Setting
Zone
0
Not Used
1
B (Blue) Primary Heat
2
B (Blue) Hose Heat
3
A (Red) Primary Heat
4
A (Red) Hose Heat
5
Not Used
6
Not Used
7
Not Used
Setting
Zone
0
Not Used
1
Not Used
2
Not Used
3
Not Used
4
Not Used
5
B (Blue) Tank Heater
6
A (Red) Tank Heater
7
B (Blue) Chiller
8
A (Red) Chiller
9
Not Used
A
Not Used
B
Not Used
C
Not Used
D
Not Used
E
Not Used
F
Not Used