Introduction to Wiring
Introduction to Wiring
©Aqua-Hot®
400D Installation Manual
Rev 220504
©Aqua-Hot®
400D Installation Manual
Rev 220504
p. 29
p. 28
Wiring the Aqua-Hot
This section will introduce the basic considerations,
practices, and information necessary to wire the Aqua-Hot to
any relevant coach-side systems.
\
J8 Plug:
The J8 plug is responsible for connections that pertain to
sensor monitoring within the coach, and is standardized across
all Reporter-bearing Aqua-Hot heating systems.
Pin
Number
Description
Wire No.
J8-1
Low-Level Sensor Input
16
J8-2
Low-Temp Sensor Input
10
J8-3
Tank Temp Sensor/Control
Thermostat
14
J8-4
Low-Level Power Supply (12V DC+)
15
J8-5
Low-Temp Power Supply (12V DC+)
9
J8-6
Tank Temp Sensor/Control
Thermostat
13
J1 Plug:
The J1 plug manages heating
zone inputs from the coach.
Heating Zone 1 is reserved
electrically for the “Living
Room - Kitchen Heating Zone”
(Heating Loop 1) ONLY. Heating
zones 2, 3, & 4 are reserved
electrically for the “Bathroom,
Fresh Water Tank, and Bedroom
Heating Zone” (Heating Loop 2)
ONLY.
Heating Zone 5 is reserved for the “Optional Heating Zone”
(Heating Loop 1) ONLY.
See pin-out information below.
9
8
7
6
5
4
3
2
1
J1 Wire insertion view shown
Installation must be performed by a professional installer
or technician as per national/local regulations.
Improper installation can cause property damage, injury, or
death.
Figure 50
Figure 51
NOTE:
Reference the Schematics starting on page
44 for more information.
Wire Insertion View Shown
6
5
4
3
2
1
J7 Plug:
The J7 plug manages zone fans and the burner switch indicator
light..
Pin No.
Description
Wire No.
J7-6
Burner Indicator Light Ground
57
J7-3
Burner Indicator Light
56
J7-12
Zone Fan 1 (Switched 12V+)
92
J7-9
Zone Fan 1 Ground
93
J7-2
Zone Zan 2 (Switched 12V+)
88
J7-5
Zone Fan 2 Ground
77
J7-11
Zone Zan 3 (Switched 12V+)
84
J7-8
Zone Fan 3 Ground
85
J7-1
Zone Zan 4 (Switched 12V+)
80
J7-4
Zone Fan 4 Ground
81
J7-10
Zone Fan 5 (Switched 12V+)
76
J7-7
Zone Fan 5 Ground
78
Wire Insertion View Shown
12
11
10
9
8
7
6
5
4
3
2
1
Figure 52
ZONE
1
ZONE
2
ZONE
3
ZONE
4
ZONE
5
J9
The J9 plug is an optional use terminal
that provides constant 12V DC current to any
attachments which may be added to the coach.
Wire Insertion View Shown
J9 Pin No.
J9-1
J9-2
J9-3
J9-4
J9-5
J9-6
J9-7
J9-8
Description
Engine Preheat
Electric
Diesel 12V DC Switch
Zone 5 Thermostat
Zone 4 Thermostat
Zone 3 Thermostat
Zone 2 Thermostat
Zone 1 Thermostat
Wire No.
54
52
50
78
82
86
90
94
Figure 53
8
7
6
5
4
3
2
1
ZONE 5
ZONE 4
ZONE 3
ZONE 2
ZONE 1
Pin
Number
Description
Wire No.
J1-1
Diesel Input
51
J1-2
Electric Low Input
53
J1-3
Not Used
-
J1-4
Not Used
-
J1-5
Zone 1 Input
95
J1-6
Zone 2 Input
91
J1-7
Zone 3 Input
87
J1-8
Zone 4 Input
86
J1-9
Zone 5 Input (Optional)
79
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5