Viega Hydronic Mixing Block User Manual Download Page 11 | Manualshive

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Viega Hydronic Mixing Block User Manual Download Page 11

11 of 20

Viega Hydronic Mixing Block User Guide

UG-HC 566234 0720 Hydronic Mixing Block

This function is not available with

BOILER AQUASTAT mode.

■

OPERATION: CONSTANT — The circulator

is constantly on and will only be shut off with

warm weather shut down (WWSD). Usually

used with RESET mode.

Circulator Settings

■

OPERATION: ON/OFF — The circulator is

turned on/off as demand requires. Default is

set to ON/OFF.

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Summary of Contents for Hydronic Mixing Block

Page 1: ...TION Only suitably qualified individuals with formal training in electrical and HVAC controls should attempt the installation of this equipment Incorrect wiring and installation will affect the warran...

Page 2: ...l using the four screw mounting holes Level the backplate A Hydronic Mixing Block mounting holes B Backplate mounting holes 7 Slide the Hydronic Mixing Block into the backplate The backplate will slid...

Page 3: ...iping from the manifold The branch connection on the Return Fitting fitting 2 should connect to the return tee on the primary loop 3 Connect the Delivery Fitting fitting 3 to the supply piping to the...

Page 4: ...ntact Terminal 3 4 Outdoor Sensor Terminal 4 5 Boiler Sensor Terminal 6 7 Boiler Contact TT relay rated for 24V AC 1 0 Max AMPS Terminal 8 9 Internal relay rated for 24V AC 1 0 Max Amps With the addit...

Page 5: ...for this configuration Legend Thermostat Low Voltage Line Voltage Hydronic Mixing Block Terminal 1 2 3 3 0 8 1 2 Three Wire Thermostat Wiring schematic for part numbers 15116 15117 and 15118 1 Connect...

Page 6: ...iring schematic for part number 18050 1 Connect R from the transformer to the R terminal on the thermostat 2 Connect C from the transformer to C terminal on the thermostat 3 Connect W terminal on the...

Page 7: ...tdoor Sensor to a wall with the wiring entering either through the back or bottom of the enclosure Do not mount the Outdoor Sensor with the conduit knockout facing upwards as rain could enter the encl...

Page 8: ...center spacing Install minimum of 6 pipe diameters of straight pipe upstream and downstream of all closely spaced tees Differential pressure bypass valve prevents flow noise under partial load conditi...

Page 9: ...ower cables If the sensor wires are located in an area with strong sources of electromagnetic interference EMI shielded cable or twisted pair should be used or the wires can be run in a grounded metal...

Page 10: ...color that reflects the current status The user can navigate the menus after the power on sequence is complete Programming Setup Menu The SETUP MENU is used for entering the design values as well as a...

Page 11: ...ion is not available with BOILER AQUASTAT mode OPERATION CONSTANT The circulator is constantly on and will only be shut off with warm weather shut down WWSD Usually used with RESET mode Circulator Set...

Page 12: ...FIXED The control will maintain a constant FIXED water temperature WATER TEMP The fixed water temperature Range 50 F to 180 F Default 120 F TEMP CONTROL RESET Water temperature will adjust based on ou...

Page 13: ...peratures This setting will allow the boiler to go above the boiler target by half of this setting Example if the BOILER DIFF is set at 20 F the boiler will run until the temperature is 10 F above the...

Page 14: ...them in the Settings Template and User Selections on page 16 RESTORE DEFAULTS Restores the current Default Settings If the Factory Default Settings were overwritten the User Settings selected during t...

Page 15: ...ing Block supplies This symbol present in the field means the sensor is bad or the wire is broken or shorted OUTDOOR The outdoor temperature as read by the outdoor sensor PRESSURE The system pressure...

Page 16: ...180 F Default 120 F NA NA Reset MIX DESIGN NA Range 50 F to 180 F Default 120 F NA Reset MIX MIN NA Range 50 F to 180 F Default 70 F NA BOILER SETTINGS TYPE Default RESET RESET CONDENSING AQUASTAT Not...

Page 17: ...low for purging If more time is needed ACTIVATE may be selected as many times as necessary to complete system purging If less time is needed purge can be cancelled by selecting CANCEL 8 Allow the Hydr...

Page 18: ...0 120 49 3 760 15 26 139 402 125 52 3 383 10 23 118 018 130 54 3 050 5 21 100 221 135 57 2 754 0 18 85 362 140 60 2 490 5 15 72 918 145 63 2 255 10 12 62 465 150 66 2 045 15 9 53 658 155 68 1 857 20 7...

Page 19: ...19 of 20 Viega Hydronic Mixing Block User Guide UG HC 566234 0720 Hydronic Mixing Block...

Page 20: ...Viega LLC 585 Interlocken Blvd Broomfield CO 80021 Phone 800 976 9819 www viega us Viega Hydronic Mixing Block User Guide UG HC 566234 0720 Hydronic Mixing Block...

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