Specifications, M4-cnc specifications, M4-extension specifications – LAARS M4-Ext - Installation Manual User Manual

Page 40

Advertising
background image

SPECiFiCATiONS

Voltage Input:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 VAC 60 Hz

Power Consumption:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 VA Max

Operating Temperature:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

°

F/-6

°

C to 130

°

F/54

°

C

Operating Humidity:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20% to 80% non-condensing

Dimensions:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11"W x 9" H x 3 ¾" D

Weight:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 pounds

M4-CNC SPECiFiCATiONS

Switch Between Boiler Groups:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Target Temperature

Lead Stage Rotation:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Time ( 1 to 1440 Hours (60 days)), Manual, Last-On

Pump Output:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 N.O. S.P.S.T

Modulating Boiler Modes:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Auto, Manual, Standby, On, Off

Staging Boiler Modes:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Auto, Standby, On, Off

Standby Time:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 to 60 minutes

Modulating Output Types:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20mA, 0-5V, 0-10V, 1-5V, 2-10V

Sequencing Output Types:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . On/Off, 2-Stage, 3-Stage, or 4-Stage

Output Relay Ratings:

. . . . . . . . . . . . . . .1 Amp inductive, 6Amp resistive at 120 VAC 60 Hz, 15A total for all circuits

Add-On M4-Extension Panels:

. . . . . . . . . . . . . . . . . . . . . . . . . . . up two M4-Extension Panels using RS485

Ignition Point %:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 to 50%

Modulation Start Point %:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 100%

Modulation Modes:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Normal or Parallel

Sequencing Modes:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lo/Hi/Lo/Hi or Lo/lo/Hi/Hi

Temperature Display:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fahrenheit or Celsius

Display:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Graphical Alphanumeric (up to 7 rows x 21 char. each)

LED:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 System Output relay, 4 Boiler Output relays

Sensor Ranges:

. . . . . . . . . . . . . . . . . . . . . . . . . . .Outdoor temperature sensor - minus 35

°

F/-37

°

C to 250

°

F/121

°

C

Heating system sensor - minus 35

°

F/-37

°

C to 250

°

F/121

°

C

Outdoor Cutoff Range: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20°F/-6

°

C to 100°F, ON and OFF

Reset Ratio Range: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (

1:4) to (4:1) (Outdoor : System Water)

Offset Adjustment:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . minus -50F°/-28C

°

to plus 50F°/28C

°

Minimum Water Temperature: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70

°

F/21

°

C to 170

°

F/77

°

C

Maximum Water Temperature: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

90

°

F/32

°

C to 240

°

F/116

°

C

Domestic Hot Water:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . with Priority or without Priority

Pump Run-On:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 360 minutes

Purge Delay:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.0 to 10.0 minutes

Lag Delay:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to 60 minutes

Last Stage Hold:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 30°F

Schedules:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Day and 1 Night (Setback) setting per day

Night Setback:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0F°/0C

°

to 75F°/42C

°

Power Backup:

. . . . . . . . . Lithium coin battery, 100 days minimum 5 year replacement (Maintains Clock in power outages)

External Inputs:

. . . . . . . . . . . . Shutdown, Tstat, and Setback Input, and Prove and DHW Call Input. (Dry Contacts Only)

Season:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Winter and Summer

M4-ExTENSiON SPECiFiCATiONS

(Each M4-Extension can add up to (6) additional modulating boilers. A maximum of two M4-Extensions can be added to a

single M4-CNC.)

Extension Numbering:

. . . . . . . . . . . .Toggle Switch A (Stages E - J, LEDs are Green) or B (Stages K - P, LEDs are Red)

Boiler Outputs:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (6) N.O. S.P.S.T.

Modulating Output Types:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (6) 4-20mA, 0-5V, 0-10V, 1-5V, 2-10V

Output Relay Ratings:

. . . . . . . . . . 1 Amp inductive (1/8HP), 6Amp resistive at 120 VAC 60 Hz, 15A total for all circuits

Connection to M4-CNC and another extension:

. . Two RS485 connections using phone style cable (Cable is provided)

HT# 059104-00 B

20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • FAX 603.335.3355

1355 Kuehner Drive, Simi Valley, CA 93063 • 800.900.9267 • FAX 800.559.1583 (Sales, Service)

1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • FAX 905.366.0130

www.laars.com

Litho in U.S.A © Laars Heating Systems 0910 Document 4217B

Advertising
This manual is related to the following products: