background image

MULTI-MOD

Platinum

MADE IN U.S.A.

PREV.

SAFETY

GROUND

MUST BE

CONNECTED

OUT

TEMP

PROVE

/DHW

STAGE

A

STAGE

B

MENU FUNCTIONS

SELECT

enters menus or accepts changes

ADJUST

selects menu items or changes settings

BACK

returns to previous menu

PREV./NEXT

 steps through stage status

STAGE

HELP

NEXT

PRESS TO

SELECT

BACK

SYS= 125

o

F     OD= 31

o

F

ADJUST

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

STAGE

C

DO NOT APPLY ANY VOLTAGE

TO SENSOR TERMINALS

B1

B2

B3

B4

B5

B6

NETWORK

4-20 mA

SYSTEM

SHUTDOWN

SYSTEM

TEMP

INPUTS

ROUTE SENSOR AND AUXILIARY WIRES

THROUGH THIS KNOCKOUT ONLY

TGT= 126

o

F

<A>    B     C     D

100%   50%    ---    ---

T

T

OUTPUT RATINGS:

120VAC, 6A RESISTIVE

1A PILOT DUTY

15A TOTAL

FOR ALL CIRCUITS

INPUT RATINGS:

115VAC 60Hz

30VA MAX

USE COPPER WIRE,

CLASS 1 WIRE ONLY

ENCLOSED

ENERGY

MANAGEMENT

EQUIPMENT

LISTED

99RA

STAGE

 selects stage menus or next stage

SYSTEM

B

C

D

A

LINE

NEUTRAL

SYS

B

C

D

A

1

2

3

4

5

6

7

8

9

10

11

12

FULL MODULATION

SEQUENCING CONTROL

LOCKOUT

INPUTS

STAGE

D

B7

B8

OPERATING LIMIT

OUTPUTS

SIGNAL

SHIELD

+

EMS

MODULATION OUTPUTS

A

B

C

D

C1

C2

C3

C4

C5

C6

C7

C8

C9 C10 C11 C12

S

+

Installation and Operation Manual

Multi-Boiler Modulating Control for Hydronic 

and Steam Applications with Space Feedback

Modulation Signal: 135Ω, 4-20mA, or Voltage

Multi-MOD

 WARNING

This Heat-Timer control is strictly an operating control; it 

should never be used as a primary limit or safety control. 

All equipment must have its own certified limit and safety 

controls required by local codes. The installer must verify 

proper operation and correct any safety problems prior to 

the installation of this Heat-Timer control.

Platinum

HT# 059299-00 

A

Summary of Contents for Multi-MOD Platinum

Page 1: ...E COPPER WIRE CLASS 1 WIRE ONLY ENCLOSED ENERGY MANAGEMENT EQUIPMENT LISTED 99RA STAGE selects stage menus or next stage SYSTEM B C D A LINE NEUTRAL SYS B C D A 1 2 3 4 5 6 7 8 9 10 11 12 FULL MODULAT...

Page 2: ...tem Startup Menu 25 System Startup 26 Sensor Type 26 Sensor Type Table 26 System Temperature Sensor Type 26 EMS Input Mode 27 Stage Interface 27 DHW Set Point 29 Sensor Fault 29 Fast Cool Down 30 Day...

Page 3: ...schedule See Boost and Early Shutdown on page 34 Day Night Shift This feature allows the user to temporarily switch the control from Night Time settings to Day Time settings or visa versa See Shift on...

Page 4: ...Concept The Multi MOD Platinum modulates the boilers to achieve the smoothest operation and highest system efficiency It does that by overlapping the lead and lag boiler operation The concept depends...

Page 5: ...anges in the outdoor temperature The heating water temperature is controlled through the modulation of the stages The Multi MOD Platinum also controls the system circulating pump with an adjustable Ou...

Page 6: ...m has a full range of Reset Ratios to match any buildings heat loss characteristics A heating curve that relies not only on Outdoor temperature but also on type of radiation will improve the comfort S...

Page 7: ...ordered separately Install and wire the Control Set the System Startup menu Set the System Settings Set the Stages and their rotation Set the Schedules Adjust the Reset Ratio and Water Offset In Reset...

Page 8: ...N OUTPUTS A B C D C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 S Green Ground screw must be connected to Earth Ground 120VAC Power System Output controls pumps dampers valves or other system components Each...

Page 9: ...s C D A1 G1 B1 A2 G2 B2 RS485 Communication Board HT 900234 20 XXX Fuse Battery HT 020002 00 Ethernet RJ45 connects to Internet BACnet IP Green RS485 connects to MSI HUB interface RS485 connects to Ex...

Page 10: ...E C O R P O R A T I O N R POWER COMMUNICATION STAGE ACTIVE OUTPUT RATINGS 120VAC 6A RESISTIVE 1A PILOT DUTY 15A TOTAL FOR ALL CIRCUITS Lockout Lockout E F G H I J K L E F G H I J K L INPUT RATINGS 115...

Page 11: ...l Stages 1 2 Control Stages 3 4 Control Stages 5 6 Control Stages 7 8 Modulating Output Cards 135 Output Card HT 900203 135 Current and Volt Output Cards HT 900203 C V Fuse RS485 connects to MMOD HWRQ...

Page 12: ...the plastic strap the covers the battery The contacts should be touching the battery Alert Do not install the battery unless you plan to power the control at once If the control is not powered the bat...

Page 13: ...s through the enclosure s bottom knockouts Connect the hot line to the Line terminal 1 and connect the neutral line to the Neutral terminal 2 Connect the green screw to Earth Ground Heat Timer recomme...

Page 14: ...the outdoor temperature rises 2 F above the Outdoor Cutoff the System output will remain active for the Run On then turn off Stage Output Wiring Stage1 Terminals 5 6 Stage2 Terminals 7 8 Stage3 Termin...

Page 15: ...increasing on the burners White modulating wires Terminals C2 C5 C8 and C11 on the Multi MOD Platinum connects to the modulation common terminals on the burners Red modulating wires MULTI MOD Platinum...

Page 16: ...SAFETY GROUND MUST BE CONNECTED OUT TEMP PROVE DHW STAGE A STAGE B MENU FUNCTIONS SELECT enters menus or accepts changes ADJUST selects menu items or changes settings BACK returns to previous menu PR...

Page 17: ...t the shield at the sensor end The sensor wires can be extended up to 500 using 18 AWG 2 conductor shielded cable HT 703001 01 MULTI MOD Platinum MADE IN U S A PREV DEL SAFETY GROUND MUST BE CONNECTED...

Page 18: ...10 C11 C12 S TGT 5 PSI SYS 4 PSI OD 31 o F Brown Blue System Pressure Transducer Wiring Terminals A5 A6 The Multi MOD Platinum is designed to connect to a pressure transducer See Sensor Type on page 2...

Page 19: ...UST BE CONNECTED OUT TEMP PROVE DHW STAGE A STAGE B MENU FUNCTIONS SELECT enters menus or accepts changes ADJUST selects menu items or changes settings BACK returns to previous menu PREV NEXT steps th...

Page 20: ...S SELECT enters menus or accepts changes ADJUST selects menu items or changes settings BACK returns to previous menu PREV NEXT steps through stage status DEL deletes schedule settings STAGE DAY HELP N...

Page 21: ...3 4 5 6 7 8 On 1 2 3 4 5 6 7 8 On 1 2 3 4 5 6 7 8 On EXTENSION PANEL 1 EXTENSION PANEL 2 Connecting two Extension Panels in Parallel Multi MOD PANEL Interconnect Cables Round to Round HT 900065 00 CPU...

Page 22: ...Set Point MMOD Sources Power Connecting Internet communication Internet capable Multi MOD Platinum controls are equipped with an Internet communication board installed on the back of the main board C...

Page 23: ...XILIARY WIRES THROUGH THIS KNOCKOUT ONLY TGT 126 o F A B C D 100 50 T T OUTPUT RATINGS 120VAC 6A RESISTIVE 1A PILOT DUTY 15A TOTAL FOR ALL CIRCUITS INPUT RATINGS 115VAC 60Hz 30VA MAX USE COPPER WIRE C...

Page 24: ...Shutdown is active The new target is equal to the Fast Cool Down setting See Fast Cool Down on page 30 Holding Until 150 F The lead stage is in Last Stage Hold This example shows that the lead stage...

Page 25: ...BUS ADD 1 STAGE B MODBUS ADD 0 SENSOR 4mA VALUE 0 F SENSOR 20mA VALUE 0 F EMS 20mA SETPOINT 200 F OUTPUT TYPE A B Not Installed 135ohm 0 10v 0 5v 2 10v 1 5v 4 20ma OUTPUT TYPE C D Not Installed 135ohm...

Page 26: ...et Ratio on page 33 Reset modes require the use of an outdoor sensor If the HWR Platinum is used to control the Multi MOD Platinum select the HWR option No system sensor is required in this case See I...

Page 27: ...lt 0 PRESS TO SELECT System Startup Stage Interface Stage A Modbus Add These options are designed for Modbus operating burners equipped with the Siemens LMV controller If the burner did not have Modbu...

Page 28: ...quired to keep a tight set point control while experiencing sudden big changes in the load as in some processing applications Note that big load changes may cause stages to short cycle To adjust the s...

Page 29: ...during Shutdown Summer or when Outdoor Cutoff situations a DHW Call will turn the System output on When the DHW call ends all active stages will modulate down then turn off The System output will turn...

Page 30: ...Cool Down The Fast Cool Down allows the building to cool down quicker when starting the Night Schedule It does that by lowering the target temperature until the Space Average drops to the Night Target...

Page 31: ...ELAY 10m AUTO ROTATE PERIOD 24 Hrs SOFT OFF DELAY 45s LAST STAGE HOLD 0 F MAXIMUM TARGET 240 F OFFSET 0 F BOOST ADJUSTMENT 0 F SET POINT 70 F OUTDOOR CUTOFF 65 F SYSTEM SETTINGS 2 Min Target 80 F Max...

Page 32: ...MOD Platinum modulates the stages to maintain the system temperature pressure around the Set Point The system is expected to fluctuate around the set point The amount of fluctuation depends on the con...

Page 33: ...o Outdoor Water 70 60 50 40 20 30 0 10 10 20 100 120 110 130 140 150 160 180 170 190 200 210 220 Water Temperature in F Reset Ratio Curves Outdoor Temperature in F 1 1 25 1 1 1 25 1 1 5 1 2 1 3 1 4 1...

Page 34: ...tarts when any of the Outdoor Cutoff off season or Shutdown starts The System output relay will remain active whenever the outdoor temperature is below the Outdoor Cutoff in heating However when the o...

Page 35: ...by the Boost Adjustment If the ambient building temperatures are too cold at the Day 1 time then increase the Boost Adjustment in increments of 10 F If the Boost Adjustment is turned all the way up a...

Page 36: ...on Each Gain range above or below the target controls one stages modulation linearly from 0 to 100 The Process Gain Table below shows the relationship between the Gain and stage modulation Alert The P...

Page 37: ...ntually meet the load or if the load decreases STANDBY DELAY 10m Last Stage Hold Not Available in Process Adjustable from 0F 0C to 30F 17C Default 0F 0C PRESS TO SELECT System Settings More Settings L...

Page 38: ...is menu This menu option is primarily used with Manual rotation option to select the lead stage LEAD STAGE A B C D Lead Auto Rotate Manual Time Last On Default Time Time is adjustable from 1 hour to 9...

Page 39: ...ents are the same However the Multi MOD Platinum offers a customized adjustment for each stage to satisfy installations with different types of boilers When all the stages are the same type of boiler...

Page 40: ...e Prove input signal Do not use the Manual or On options unless all safety controls are checked and adjusted to avoid hazard situations STAGE A MANUAL 50 Ignition Adjustable from 1 to 100 Default 1 ST...

Page 41: ...pplication that has wide load swings such as an industrial plant or a hospital This allows an additional boiler to be brought on line before the previous boiler has begun to reach its capacity 70 90 T...

Page 42: ...ing is unoccupied all weekend simply set the latest Friday Night Time and delete all Saturday s and Sunday s schedules A deleted Time displays The control will stay in Night Time Setback until it reac...

Page 43: ...Shift to Extended Day option is available to anyone with access to the control A Password restriction does not affect this option Shifting to Schedule This option exists the Shifting and resumes the...

Page 44: ...Sunday Night temperature is maintained all day Sunday ending at the Vari Boost Monday morning Alert If the control has space sensors configured Boost can extend to an additional hour if Day Target wa...

Page 45: ...DRESS MASK 000 NETWORK SETTINGS BACnet ID 5 IP 192 168 001 015 Msk 255 255 255 000 Switch to MS TP INTERNET ID Solo SPACE LOCKOUT Off On DAY TARGET 75 F NIGHT TARGET 75 F Internet BACnet IP BACnet MST...

Page 46: ...g the water temperature hourly based on space temperature Changing the system water target per space degree adjusts the Target Water Temperature for every 1 F the Space Average is away from the Space...

Page 47: ...it may be desirable to make small adjustments to the displayed value of the outdoor temperature or the System value Do not use the Trim setting to make the outdoor temperature match that reported on t...

Page 48: ...SSWORD NO YES NEW PASSWORD ENTER NEW PASSWORD LOGIN ENTER PASSWORD M NEW PASSWORD REENTER NEW PASSWORD Password Change Yes No Default No PRESS TO SELECT Maintenance Password Change Password Follow the...

Page 49: ...age 47 Otherwise the sensor may be damaged Temperature Sensor Chart TEMPERATURE Value in Ohms F C OPEN 150000 30 34 117720 20 29 82823 10 23 59076 0 18 42683 10 12 31215 20 7 23089 25 4 19939 TEMPERAT...

Page 50: ...e Last Stage Hold allows only the lead boiler to stay on longer If the setting is too high the system can over heat Reduce the Last Stage Hold setting See Last Stage Hold on page 37 DHW Call On a DHW...

Page 51: ...to 40F 22C Minimum Water Temperature Reset Only 70 F 21 C to 170 F 77 C Maximum Water Temperature Reset Only 90 F 32 C to 240 F 115 C Set Point Ranges See Sensor Type Table on page 26 DHW Set Point T...

Page 52: ...GE D B7 B8 OPERATING LIMIT OUTPUTS SIGNAL SHIELD EMS MODULATION OUTPUTS A B C D C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 S L N Earth Ground 120VAC System Pump L N 120VAC Boiler A Activation Boiler C Act...

Page 53: ...y SYSTEM B C D A LINE NEUTRAL SYS B C D A 1 2 3 4 5 6 7 8 9 10 11 12 FULL MODULATION SEQUENCING CONTROL LOCKOUT INPUTS STAGE D B7 B8 OPERATING LIMIT OUTPUTS SIGNAL SHIELD EMS MODULATION OUTPUTS A B C...

Page 54: ...7 A8 A9 A10 A11 A12 STAGE C DO NOT APPLY ANY VOLTAGE TO SENSOR TERMINALS B1 B2 B3 B4 B5 B6 NETWORK 4 20 mA SYSTEM SHUTDOWN SYSTEM TEMP INPUTS ROUTE SENSOR AND AUXILIARY WIRES THROUGH THIS KNOCKOUT ONL...

Page 55: ...T PRESS TO SELECT BACK ADJUST A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 STAGE C DO NOT APPLY ANY VOLTAGE TO SENSOR TERMINALS B1 B2 B3 B4 B5 B6 NETWORK 4 20 mA SYSTEM SHUTDOWN SYSTEM TEMP INPUTS ROUTE SEN...

Page 56: ...OLTAGE TO SENSOR TERMINALS B1 B2 B3 B4 B5 B6 NETWORK 4 20 mA SYSTEM SHUTDOWN SYSTEM TEMP INPUTS ROUTE SENSOR AND AUXILIARY WIRES THROUGH THIS KNOCKOUT ONLY A B C D 100 50 T T OUTPUT RATINGS 120VAC 6A...

Page 57: ...9RA STAGE selects stage menus or next stage DAY selects next day SYSTEM B C D A LINE NEUTRAL SYS B C D A 1 2 3 4 5 6 7 8 9 10 11 12 FULL MODULATION SEQUENCING CONTROL LOCKOUT INPUTS STAGE D B7 B8 OPER...

Page 58: ...t not limited to the heating system boilers or electrical power system that is required for proper operation of any controls or other equipment installed by Heat Timer Corporation or any contractor Th...

Page 59: ...Multi MOD Platinum with Space and Scheduling Installation and Operation Manual 59 HT 059299 00 A...

Page 60: ...HT 059299 00 A 20 New Dutch Lane Fairfield NJ 07004 Ph 973 575 4004 Fax 973 575 4052 http www heat timer com 60 Multi MOD Platinum with Space and Scheduling Installation and Operation Manual...

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