User Guide

6 of 12
© 2016 tekmar 304P
_
D - 11/16
Away C R Rh W Away C R Rh W Away C R Rh W
70 70 70
Away C R Rh WAway C R Rh W R W R W
FUSE 2
FUSE 7
FUSE 8
FUSE 3 FUSE 4 FUSE 5
FUSE 6
70 80
9060
50 100
MOD MAX %
MASTER MEMBER
OFF
OFF
OFF
4-20 mA
T-STAT 1 PRIORITY : 0N
EXERCISING : ON
POST PURGE : ON
MOD BOILER : 0-10V
RESERVED
FUSE 1
120 VAC
POWER
MOD
X X
tN4
POWER ROOM
RESPONSE
T1 T2 T3 T4 T5 T6
A
DHW C R W
BOILER T-STAT 1 T-STAT 2 T-STAT 3
PRIORITY
PUMP 1
PUMP 2 PUMP 3 PUMP 4 PUMP 5 PUMP 6
L
-
+
N L N L N L N L N L N L N
tN4
A
C R W
tN4
A
C R W
T-STAT 4
tN4
A
C R W
T-STAT 5
tN4
A
C R W
T-STAT 6 EXPANSION
tN4
A
C R W
tN4
A
B C D E
FUSE 2
FUSE 7
FUSE 8
FUSE 3 FUSE 4 FUSE 5
FUSE 6
70 80
9060
50 100
MOD MAX %
MASTER MEMBER
OFF
OFF
OFF
4-20 mA
T-STAT 1 PRIORITY : 0N
EXERCISING : ON
POST PURGE : ON
MOD BOILER : 0-10V
RESERVED
FUSE 1
120 VAC
POWER
MOD
X X
tN4
POWER ROOM
RESPONSE
T1 T2 T3 T4 T5 T6
A
DHW C R W
BOILER T-STAT 1 T-STAT 2 T-STAT 3
PRIORITY
PUMP 1
PUMP 2 PUMP 3 PUMP 4 PUMP 5 PUMP 6
L
-
+
N L N L N L N L N L N L N
tN4
A
C R W
tN4
A
C R W
T-STAT 4
tN4
A
C R W
T-STAT 5
tN4
A
C R W
T-STAT 6 EXPANSION
tN4
A
C R W
tN4
A
B C D E
+TT -
B1
P1 P7
L
L
N
N
P2 P8P3 P4 P5 P6
A1
T1
T6 T7
T2 T3
T4 T5
Application 304P–3
Mechanical
---------------------------------------------------------------------------------------------
Electrical -----------------------------------------------------------------------------------------------
Legend
A1
Expansion
B1
P1
P2 P3 P4
P5 P6
P7
P8
BP
304P 304P
Two Switching Relay 304P's operate eight heating zone circulators. The two controls are connected together using an expansion
bus wire. The master 304P fires the boiler when any zone calls for heat. If priority is selected, zones 2 through 8 shut off when
zone 1 is calling for heat.
A1 = DHW Tank Aquastat
B1 = Modulating Condensing Boiler
BP = Boiler Pump
P1 = Zone 1 DHW Tank Pump
P2 to P8 = Zone 2 through 8 Pump
T1 to T3 = WiFi Thermostat 561 or 562
T4 to T5 = Thermostat 518 or 519
T6 = Generic Digital Power-Stealing Thermostat
T7 = Generic Bi-Metallic Strip Thermostat
DIP Switches
Master
T-stat 1 Priority On
Exercising On
Post Purge On
Mod Boiler - depends on boiler
DIP Switches
Member
T-stat 1 Priority Off
Exercising On
Post Purge On
Mod Boiler - not applicable