HeatLink 31355 Installation And Setup Instructions

Compact mixing reset control

Advertisement

Quick Links

Heat
Link
www.heatlinkgroup.com
Description
The Compact Mixing Reset Control 31355 regulates the supply water temperature of an automated mixing valve in
order to provide outdoor reset or setpoint operation. The 31355 provides a floating action or a 0/2 - 10 V (dc) signal
to adjust the mixing valve position. The 31355 also includes two separate night setback channels.
Features
Outdoor reset for energy savings
Setpoint
Floating action
For a full color version of this document, download the PDF from the professional section of our website.

Table of Contents

Table of Contents ........................................................ 1
DIP Switches and Display .......................................... 2
Dip Switches ....................................................... 2
Display ................................................................ 2
Symbol Description ............................................. 3
User Interface ..................................................... 4
Setup .......................................................................... 4
View Menu ......................................................... 5
Adjust Menu ........................................................ 6
Time Menu ......................................................... 8
Schedule 1 Menu ............................................... 9
Schedule 2 Menu ............................................. 10
®
HeatLink
Compact Mixing Reset Control Stk# 31355
®
Installation and Setup Instructions
0 - 10 V (dc)
2 - 10 V (dc)
Two night setback channels
Compact Mixing
Reset Control 31355
Power: 24 V (ac) ±10% 50/60 Hz 100 VA (max)
Floating Output: 48 VA (max)
V (dc) Output: 3 kΩ min load (3 mA max)
Boiler Relay: 230 V (ac), 5A
Timer / Pump / Mixing Relays: 24 V (ac) 2A
Heat Demand: Low Voltage Dry Contact
INSTALLATION CATEGORY II
5
4
3
2
1
Made in Canada
Terminal Functions
6
7
8
9
10
11
12
13
15 16 17 18
DIP Switch Functions
ON
Modes of Operation ................................................. 11
Sequence of Operation ............................................. 13
Installation ............................................................... 17
Wiring ............................................................... 18
Cleaning the Control ................................................ 24
Testing ...................................................................... 24
Max Heat Feature ..................................................... 24
Error Messages ........................................................ 25
Appendix I: Boiler Piping Options ............................. 27
Appendix II: Load Piping Options ............................. 29
Technical Data .......................................................... 32
Warranty ................................................................... 32
977-03K
1
Open / DDC Blk
2
Com / DDC Blu
3
Close / DDC Red
4
Timer Relay 1
5
Timer Relay 2
6
Indoor Sensor
7
Sensor Common
8
Mix Sensor
9
Sensor Common
10
Outdoor Sensor
11
Power 24 V (ac) "C"
12
Power 24 V (ac) "R"
13
Pump
15
Heat Demand "R"
16
Heat Demand
17
Boiler Relay
18
Boiler Relay
3 Perm. Demand (ON) /
Ext. Demand
2
(ON) /
1 Setback (ON) / Off
Refer to Literature
L631355D
May 26, 2009
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 31355 and is the answer not in the manual?

Questions and answers

Summary of Contents for HeatLink 31355

  • Page 1: Table Of Contents

    The Compact Mixing Reset Control 31355 regulates the supply water temperature of an automated mixing valve in order to provide outdoor reset or setpoint operation. The 31355 provides a floating action or a 0/2 – 10 V (dc) signal to adjust the mixing valve position. The 31355 also includes two separate night setback channels.
  • Page 2: Dip Switches And Display

    ® Heat Link DIP Switches and Display HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Dip Switches DIP Switch 3: Permanent / External Demand • Select whether the control should operate on a permanent demand or on an external demand.
  • Page 3: Symbol Description

    ® Heat Link Display HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Symbol Description ACCESS LEvEL ROOM Shown when adjusting the access S h o w n w h e n a d j u s t i n g r o o m level.
  • Page 4: User Interface

    Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com User Interface The 31355 has four buttons: Menu, Item, Up, Down. Item Button Menu Button Each press and release of the Item button advances the Each press and release of the Menu button advances display to the next item in the same menu.
  • Page 5: View Menu

    ® Heat Link Setup: view Menu HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com The View menu items display the current operating temperatures and status information of the system. Item Field Range Access Description VIEW OUTDOOR °C -60 to 65°C •...
  • Page 6: Adjust Menu

    ® Heat Link Setup: Adjust Menu HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com The Adjust Menu items are the programmable settings used to operate the mechanical equipment. Item Field Range Access Description ADJUST °C 4.5 to 35.0°C INDOOR TARgET (40 to 95°F)
  • Page 7 The time to operate the mixing valve from fully closed to 30 to 230 seconds fully open. Default = 150 seconds • The default value of 150s is the proper setting for the HeatLink ® 56121 DDC actuator and 58100 series mixing valve motors. PUMP mm:ss ADJUST •...
  • Page 8: Time Menu

    ® Heat Link Setup: Adjust Menu & Time Menu HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Adjust Menu (3 of 3) Item Field Range Access Description ADJUST TEST OFF, FLd, MAn • Select the field test (FLd) or Maximum Heat (MAn)
  • Page 9: Schedule 1 Menu

    ® Heat Link Setup: Schedule 1 Menu HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Schedule 1 Menu (1 of 1) The Schedule menu items set the schedule type, the number of events per day, and the event times.
  • Page 10: Schedule 2 Menu

    ® Heat Link Setup: Schedule 2 Menu HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Schedule 2 Menu (1 of 2) The Schedule menu items set the schedule type, the number of events per day, and the event times.
  • Page 11: Modes Of Operation

    After the last item, the control returns to the first item in the menu. Modes of Operation The 31355 can function in three different modes of operation. 1) Outdoor Reset Multizone Operation • Indoor temperature feedback from Thermostats by use of the external heat demand input contacts.
  • Page 12 ® Heat Link Modes of Operation HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com 2) Outdoor Reset Single Zone Operation • Indoor temperature feedback from external indoor air sensor. • The control operates in permanent heat demand. • Whenever the control is powered up and not in WWSD, the control operates the valve, boiler and pump to maintain an outdoor reset mix target temperature at the mix supply sensor.
  • Page 13: Sequence Of Operation

    3) Flot = 24 V (ac) floating action. The control pulses the open or close outputs to actuate the mixing valve. The 31355 control has a 15 second delay before operating the valve once a heat demand is applied. The 15 second...
  • Page 14 ® Heat Link Sequence of Operation HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com There are 8 required settings for outdoor reset operation: Terminal Units 1) Indoor or Room Indoor Sensor Feedback • The indoor setting is only available when an indoor air sensor is Underfloor Heating (Wet) (1) present.
  • Page 15 The control requires the motor speed time to operate the event time. This causes thermostats to operate at their night mixing valve from fully closed to fully open. The default setback temperature. value of 150s is the proper setting for the HeatLink 56121 ® •...
  • Page 16 ® Heat Link Sequence of Operation HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Setting Event Times • For each scheduled setback event, a time between Manual Override 00:00 and 23:50 must be set. • Select a manual override to prevent the scheduled event from happening.
  • Page 17: Installation

    ® Heat Link Installation HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Installation Step 1 – Contents • Mount the Outdoor Sensor 30070 on a north facing wall to avoid direct sunlight. Type 31355 includes: • Install the Outdoor Sensor away from heat sources.
  • Page 18 ® Heat Link Installation - Wiring HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Step 3 – Wiring • Only qualified and competent personnel should attempt installation of the control. • The power supply must be disconnected before starting with the installation.
  • Page 19 56230 Series Actuators w/Endswitch and 56200 Series Actuators Boiler Contact When using a single transformer, “R” on the 31355 must be the same as the 45112 24vac Pump Relay “R” for the thermostats. “C” and “R” cannot be crossed between the two.
  • Page 20 Heat Link Installation - Wiring HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com 31355 Wiring for Outdoor Reset Single Zone Operation or Setpoint Operation DIP Switch 3: Permanent Demand 46000 Series 56121 58100 Series Thermostat DDC Actuator Mixing valve Motor...
  • Page 21: Wiring

    ® Heat Link Installation - Wiring HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Using Multiple Transformers - Floating Neutral Transformers Transformers where there is no connection between primary and secondary wiring or between ground and secondary wiring. 15 16 17 18 C to C connection to establish common "C"/ground...
  • Page 22 ® Heat Link Installation - Wiring Priority Loads HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Wiring without separate primary pump (or primary pump always on) Load with Load with Load with higher priority same priority lower priority than 31355...
  • Page 23 ® Heat Link Installation - Wiring Priority Loads HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Wiring with primary pump Load with Load with Load with higher priority same priority lower priority than 31355 as 31355 than 31355 31355...
  • Page 24: Cleaning The Control

    Heat Link Cleaning the Control, Testing, and Max Heat Feature HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Cleaning the Control The control’s exterior can be cleaned using a damp cloth. Moisten the cloth with water and wring out prior to wiping the control.
  • Page 25: Error Messages

    ® Heat Link Error Messages HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com ERROR MESSAgES (1 OF 2) Error Message Description CONTROL ERROR VIEW • There is an internal control problem. The Adjust menu default settings have been loaded into memory.
  • Page 26 ® Heat Link Error Messages HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com ERROR MESSAgES (2 OF 2) Error Message Description MIx SENSOR OPEN CIRCUIT • VIEW The control continues to operate the mixing valve at a fixed output.
  • Page 27: Appendix I: Boiler Piping Options

    Heat Link Appendix I: Boiler Piping Options HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com For all options hot water migration/gravity flow is possible in the supply riser. Unless the load has a positive shut off, a Flow check or Spring loaded check valve is required.
  • Page 28 ® Heat Link Appendix I: Boiler Piping Options HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Option #2: Parallel Primary/Secondary Pros: Cons: • Supply water temperature the same • Requires additional balancing valves for each load take off. for each load •...
  • Page 29: Appendix Ii: Load Piping Options

    ® Heat Link Appendix II: Load Piping Options HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Option #1: 2-way Injection Thermostats or StatLink ® DDC Actuator & valve Flow Balancing globe Sidestream Pressure Bypass valve valve Filter (for multiple zones) Spring loaded check valve for Boiler Piping options 2 &...
  • Page 30 ® Heat Link Appendix II: Load Piping Options HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com Option #3: 4-way Mixing Thermostats or StatLink ® Pressure Bypass valve Sidestream (for multiple zones) Filter Spring loaded check valve for Boiler Piping options 2 & 3...
  • Page 31 ® Heat Link Notes HeatLink Compact Mixing Reset Control Stk# 31355 ® www.heatlinkgroup.com...
  • Page 32: Technical Data

    ® will not be liable for any damage other than repair or replacement of the defective part or parts and such repairs or replacement shall be deemed to be the sole remedy from HeatLink . This warranty shall not ®...

Table of Contents