Input Wiring; Outdoor Sensor; System Sensor - heat-timer Multi-MOD Platinum Installation And Operation Manual

Multi-boiler modulating control for hydronic and steam applications with space feedback
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INPuT WIRING

OuTDOOR SeNSOR

• An outdoor sensor must be used when selecting Reset °F or
Reset °C . The sensor is used to calculate the system target . In
addition it is used in the outdoor Cutoff . See "Sensor Type" on
page 26 and "Outdoor Cutoff Temperature" on page 32 .
• If an outdoor sensor is installed in any of the set point options,
it will only be used in the outdoor Cutoff . This feature will
automatically be activated when an outdoor sensor is connected .
• Use only the Outdoor Sensor included with the unit
(HT# 904220-00) .
Outdoor Sensor Installation
• Locate the sensor on the north side of the building at least 10'
above the ground . The sensor MUST never be in direct sunlight .
• Be sure the location is away from doors, windows, exhaust fans,
vents, or other possible heat or cool sources .
• Adhere the Outdoor Label to the back of the sensor base .
MENU FUNCTIONS
• Use the Enclosure Base bottom knockout for the conduit . Use
SELECT
enters menus or accepts changes
ADJUST
selects menu items or changes settings
the locknut to hold the conduit and enclosure base together .
BACK
returns to previous menu
Install and screw the cover to the base .
STAGE
selects stage menus or next stage
• If screws are used to affix the enclosure to the wall, make sure to
DAY
selects next day
PREV./NEXT
steps through stage status
seal around the sensor and wall except from the bottom .
DEL
deletes schedule settings
Outdoor Sensor Wiring
(Terminals A11, A12)
• Connect the sensor wires to the Out Temp terminals .
ENCLOSED
ENERGY
Temperature sensors have no polarity .
MANAGEMENT
EQUIPMENT
LISTED
• Connect the shield to terminal A12 with one of the other sensor
99RA
wires . Do not connect the shield at the sensor end .
OUTPUT RATINGS:
SYSTEM
120VAC, 6A RESISTIVE
• The sensor wires can be extended up to 500' using 18 AWG
1A PILOT DUTY
15A TOTAL
FOR ALL CIRCUITS
2-conductor shielded cable (HT# 703001-01) .
INPUT RATINGS:
115VAC 60Hz
30VA MAX

SYSTeM SeNSOR

USE COPPER WIRE,
CLASS 1 WIRE ONLY
The Multi-MOD must be connected to a temperature or pressure
1
2
3
sensor . The sensor connected must match the Sensor Type
selected in the Startup menu . Sensors must be ordered separately .
System Temperature Wiring
SYS
(Terminals A1, A2)
SAFETY
GROUND
• The Multi-MOD Platinum is designed to connect to a Heat-Timer
MUST BE
CONNECTED
temperature sensor (HT# 904250-00) . The sensor must be
MADE IN U.S.A.
inserted into a 3/8ID well (HT# 904011-00) .
• Locate the sensor in the common header where it will register the
output before any takeoffs . If the sensor cannot read the output
of all the stages, it will not be able to control the system properly .
Multi-MOD Platinum with Space and Scheduling Installation and Operation Manual
FULL MODULATION
SEQUENCING CONTROL
MULTI-MOD
Platinum
<A>
B
100%
50%
Outdoor Sensor
HELP
PREV.
Seal around
(DEL)
sensor and wall
A
B
C
Mounting
screws
location
Outdoor
drip-hole
4
5
6
7
8
9
10
A
B
C
OPERATING LIMIT
OUTPUTS
ADJUST
PRESS TO
SELECT
C
D
---
---
BACK
STAGE
NEXT
(DAY)
Outdoor Sensor
snap-in location
D
EMS
Shield
not connected
+
SIGNAL
Outdoor Label
on back of Sensor
11
12
C1
C2
C3
C4
Conduit
A
MODULATION OUTPUTS
D
ROUTE SENSOR AND AUXILIARY WIRES
THROUGH THIS KNOCKOUT ONLY
WARNING
Class 1 voltage wiring (low voltage)
must use a different knockout and
conduit from any Class 2 voltage
wiring (high voltage) .
WARNING
To avoid damage to the Multi-MOD,
NO VOLTAGE can be applied to the
Outdoor Sensor
Multi-MOD Platinum input terminals .
Seal around
sensor and wall
Mounting
screws
location
DO NOT APPLY ANY VOLTAGE
TO SENSOR TERMINALS
INPUTS
T
A1
SYSTEM
TEMP
A2
A3
SHUTDOWN
Outdoor
A4
drip-hole
A5
S
PRESS
4-20 mA
A6
+
A7
NETWORK
A8
A9
PROVE
/DHW
A10
T
A11
OUT
TEMP
A12
LOCKOUT
B1
STAGE
INPUTS
A
B2
B3
STAGE
B
B4
B5
STAGE
C
B6
B7
STAGE
D
B8
SHIELD
C5
C6
C7
C8
C9
C10 C11 C12
B
C
D
Well
Outdoor Sensor
snap-in location
Shield
not connected
Outdoor Label
on back of Sensor
Conduit
Conduit
Sensor
in well
17

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