Johnson Controls FlexSys CB2 User manual

Johnson Controls ofce. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.

FlexSys Control Box

CB2

Model:

Installation / Operation Manual

V16 0 8 11

TOOLS REQUIRED:

1. Power Screwdriver

• Phillips #3 Bit - oor panel screws

2. Panel Lifter (Suction Cups) - remove

oor panels

3. Voltmeter - conrm power status

MATERIALS REQUIRED:

1. CB2 Control Box

2. Plug & Play Cables (PAP-1J)

PREPARATION:

1. Verify that the CB2 is the correct model, unit count and

location(s) per scheduled placement.

2. Remove the oor covering / oor panel at the desired

location(s) (if installed).

3. Verify that all adjacent oor panels are properly installed.

INSTALLATION:

Connect CB2 to designated thermostatic zone:

• Thermostat terminal connects to PAP-7B with the

included PAP-1J cable

• Air Valve terminal connects to the MIT3 air valves on

the trough with a PAP-1 cable

• Water valve connections are made to terminal blocks

inside the CB2 box

Refer to job-specic Zone Cabling Diagrams for details.

OPERATION:

Refer to Sequence of Operation on Page 2.

MAINTENANCE:

Once installed, the CB2 requires no regular service

or maintenance for proper operation.

OUT

T-STAT

A/V

TPAP-7B (WHITE)

LINE VOLTAGE PM

PAP-1J (BLUE)

PAP-1 (BLUE)

CLWMIT

PAP-1J (BLUE)PAP-1 (BLUE)

PAP-5 (GREEN)

CLWMIT

PAP-1J (BLUE)

WATER

VALVE

EXAMPLE ZONE:

T = Thermostat

CB = CB2 Control Box

CLWMIT = Hydronic Linear Terminal with Air Valve Generation 3

PM = Power Module

Johnson Controls ofce. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.

FlexSys Control Box

CB2

Model:

Installation / Operation Manual

V16 0 8 11

HEATING

DEMAND AIR VALVES

(DAMPERS)

PROPORTIONAL

WATER VALVE

(10-0V / NORMALLY OPEN /

REVERSE ACTING)

2-POSITION

WATER VALVE

(ON-OFF / NORMALLY OPEN)

2-POSITION

WATER VALVE

(ON-OFF / NORMALLY CLOSED)

0% – 17% CLOSED 1CLOSED (10V) CLOSED (24VAC) CLOSED (0VAC)

OFF OFF OFF

10% – 28% CLOSED 1OPEN 20% (8V) OPEN (0VAC) OPEN (24VAC)

ON 1

OFF OFF

21% – 41% CLOSED 1OPEN 40% (6V) OPEN (0VAC) OPEN (24VAC)

ON 2

OFF OFF

34% – 54% CLOSED 1OPEN 60% (4V) OPEN (0VAC) OPEN (24VAC)

ON 3

OFF OFF

47% – 67% CLOSED 1OPEN 80% (2V) OPEN (0VAC) OPEN (24VAC)

ON 4

OFF OFF

60% – 80% CLOSED 1OPEN 100% (0V) OPEN (0VAC) OPEN (24VAC)

ON ON

OFF OFF

73% – 100% OPEN 2OPEN 100% (0V) OPEN (0VAC) OPEN (24VAC)

ON ON

OFF

COOLING

DEMAND

0% CLOSED 1CLOSED (0V) CLOSED (24VAC) CLOSED (0VAC)

OFF OFF OFF

0% – 100% 0 – 100% OPEN CLOSED (0V) CLOSED (24VAC) CLOSED (0VAC)

OFF

100% OPEN CLOSED (0V) CLOSED (24VAC) CLOSED (0VAC)

OFF

ON ON

POWER LED

HEAT LED

COOL LED

FAN LED

NOTES:

• Air Valve Min% Modulation (1) set by Adj2 Pot (R4 on right)

- Range: 0% (CCW) to 50% (CW)

- Factory set to 0% (Full CCW)

• Air Valve Heat% Modulation (2) set by Adj1 Pot (R8 on left)

- Range: Min% (CCW) to 100% (CW)

- Factory set to 100% (Full CW)

• There is a 7% Deadband in the Heating Demand input, which

gives the appearance of overlap in the ranges.

• Cool LED turns On when Cooling Demand exceeds 17%

• Fan LED turns On when Air Valve modulation exceeds 35%

• Heat LED blinks during lower Heat Demand until WV is fully open

STANDARD SEQUENCE OF OPERATION:

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