Figure 14 - 7600A/B alternate multi-zone connections with or without a tankless coil
Water Flow: | AIR |
| VENT |
AIR
SEPARATOR
GENERAL
CIRCULATOR
SK10033
EXPANSION
TANK
COLD
WATER
INLET
*Additional zones can be added by duplicating the plumbing and wiring of zone 3, adding additional transformers as needed.
Z | ZONE 1 | Z | ZONE 2 | Z | ZONE 3* | |
24 VAC | 24 VAC | 24 VAC | ||||
|
|
| ||||
| ZONE |
| ZONE |
| ZONE | |
| VALVE |
| VALVE |
| VALVE | |
HEATING | HEATING | HEATING | ||||
ZONE | ZONE | ZONE | ||||
| 1 |
| 2 |
| 3* | |
Control Wiring (Option 1): 7600B only
1.Set “DHWP OFF” (default, see programming section for instructions)
2.Set “C1 on TT” (default, see programming section for instructions)
3.
4.Up to two 24 VAC zone valves can be powered with the 7600B. Add an additional transformer as shown for every two or less valves over the original two.
5.Ensure there are no jumpers between the terminals of the zone valves.
SK10021
| ZONE 1 |
| ZONE 2 |
|
| ZONE 3* |
| LOW VOLTAGE | LOW VOLTAGE |
| LOW VOLTAGE | ||
| THERMOSTAT | THERMOSTAT |
| THERMOSTAT | ||
ZONE 1 |
| ZONE 2 |
| ZONE 3* |
|
|
24 VAC |
| 24 VAC |
| 24 VAC |
|
|
ZONE VALVE | ZONE VALVE |
| ZONE VALVE |
| ||
Taco |
| Honeywell |
| Honeywell |
| |
550 |
| V8043E, V8044E | V8043F |
|
| |
| 1 | Y MTR | Y | TR | TH | TH/ |
| MTR | TR | ||||
|
|
| MTR | |||
|
|
|
| |||
|
|
|
|
| ||
3 | 2 | R | R |
|
|
|
T
TW
Z
TR
TV
| L2 | L1 C1 C2 ZC ZR B1 B2 | 40 VA |
|
|
| TRANSFORMER |
NEUTRAL WHITE |
| 24 VAC GAS | |
|
|
| |
120 VAC | BLACK | GENERAL | IGNITION SYSTEM |
|
| ||
HOT FIELD/MFR. | CIRCULATOR |
| |
| SUPPLIED | CIRCULATOR |
|
| SERVICE | 120 VAC |
|
| SWITCH |
|
|
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AquaSmart Boiler Control Manual
15