HVAC Instrumentation and Control Devices
Datasheet constraints: every range, checkbox and listbox field now states its direction
Showing changes from Rev 3
to Rev 4
in HVAC Instrumentation and Control Devices.
---
title: HVAC Instrumentation and Control Devices
…115 unchanged lines
- "Status and safety switch schedule with trip settings"
- "Mounting details"
+constraint: all_of
```
…23 unchanged lines
- "Factory calibration certificates for the selected device classes"
- "Signal compatibility verification"
+constraint: all_of
```
…27 unchanged lines
- "Actuator stroke and fail-safe test record"
- "Operation and maintenance data with recalibration and battery intervals"
+constraint: all_of
```
…239 unchanged lines
```datasheet
−label: Minimum Wireless Sensor Battery Life
+label: Wireless Sensor Battery Life
type: range
unit: years
…2 unchanged lines
setpoints: [1, 2, 3, 5, 7, 10]
default: 5
+constraint: min
```
…61 unchanged lines
```datasheet
−label: Maximum Occupant Setpoint Offset
+label: Occupant Setpoint Offset
type: range
unit: °F
min: 1
max: 5
setpoints: [1, 2, 3, 4, 5]
+constraint: max
```
…90 unchanged lines
derived: "the duct depth at the mounting location, placing the element tip near the duct centerline"
default: derived
+constraint: exact
```
…22 unchanged lines
derived: "the duct cross-sectional area at the mounting location and the averaging element coverage ratio selected under the building automation system standard"
default: derived
+constraint: min
```
…49 unchanged lines
derived: "the nominal pipe size at the tap, placing the element tip within the center third of the pipe"
default: derived
+constraint: exact
```
…72 unchanged lines
```datasheet
−label: Minimum Distance of Duct Humidity Sensor Downstream of Coil or Humidifier
+label: Distance of Duct Humidity Sensor Downstream of Coil or Humidifier
type: range
unit: ft
min: 3
max: 30
setpoints: [3, 5, 10, 15, 20, 30]
+constraint: min
```
…67 unchanged lines
- "Carbon monoxide in occupied spaces"
- "None"
+constraint: all_of
```
…51 unchanged lines
drawing_ref: "the points list"
default: deferred
+constraint: exact
```
…167 unchanged lines
```datasheet
−label: Maximum Coil Face Area per Low-Temperature Limit Element
+label: Coil Face Area per Low-Temperature Limit Element
type: range
unit: ft²
…2 unchanged lines
setpoints: [10, 15, 20, 25, 30, 40]
default: 20
+constraint: max
```
…9 unchanged lines
derived: "the coil face area and the maximum coil face area served per element"
default: derived
+constraint: min
```
…176 unchanged lines
derived: "the damper manufacturer's published close-off torque at the maximum differential pressure across the damper, increased by the torque margin selected under the building automation system standard"
default: derived
+constraint: min
```
…38 unchanged lines
setpoints: [0, 1, 2]
default: 1
+constraint: min
```
…8 unchanged lines
setpoints: [0, 1, 2]
default: 0
+constraint: min
```
…17 unchanged lines
```datasheet
−label: Maximum Running Time - Modulating Damper Actuators
+label: Running Time - Modulating Damper Actuators
type: range
unit: seconds
min: 15
max: 300
setpoints: [15, 30, 60, 90, 120, 150, 300]
+constraint: max
```
…63 unchanged lines
```datasheet
−label: Minimum Valve Authority - Modulating Hydronic Valves
+label: Valve Authority - Modulating Hydronic Valves
type: range
unit: ratio
min: 0.1
max: 0.8
setpoints: [0.1, 0.2, 0.25, 0.3, 0.4, 0.5, 0.6, 0.8]
+constraint: min
```
### The pressure drop of each modulating hydronic control valve at design flow shall not exceed the value indicated in the datasheet.
```datasheet
−label: Maximum Pressure Drop at Design Flow - Modulating Hydronic Valves
+label: Pressure Drop at Design Flow - Modulating Hydronic Valves
type: range
unit: psi
min: 1
max: 15
setpoints: [1, 2, 3, 4, 5, 6, 8, 10, 15]
+constraint: max
```
…9 unchanged lines
max: 80
setpoints: [10, 20, 30, 40, 50, 60, 70, 80]
+constraint: exact
```
…9 unchanged lines
```datasheet
−label: Minimum Control Valve Body Working Pressure Rating
+label: Control Valve Body Working Pressure Rating
type: range
unit: psig
…3 unchanged lines
derived: "the design working pressure and maximum design temperature of the piping system served, as specified in the piping standard for that service"
default: derived
+constraint: min
```
…122 unchanged lines
derived: "the maximum differential pressure the pumping system can develop at the valve with all other valves closed, as required under the building automation system standard"
default: derived
+constraint: min
```
…28 unchanged lines
```datasheet
−label: Maximum Running Time - Modulating Valve Actuators
+label: Running Time - Modulating Valve Actuators
type: range
unit: seconds
min: 15
max: 300
setpoints: [15, 30, 60, 90, 120, 150, 300]
+constraint: max
```
…96 unchanged lines
max: 240
setpoints: [15, 30, 60, 120, 240]
+constraint: min
```
…51 unchanged lines
- "Differential pressure transmitters"
- "Airflow measurement stations"
+constraint: all_of
```
…56 unchanged lines
setpoints: [1, 2, 3, 5]
default: 1
+constraint: min
```
…10 unchanged lines
setpoints: [1, 2, 3, 5, 7, 10, 15]
default: 5
+constraint: min
```
…28 unchanged lines
- "Current switches of each model installed"
- "One full replacement set of wireless sensor batteries"
+constraint: all_of
```
…8 unchanged lines
setpoints: [1, 2, 3, 5, 10]
default: 2
+constraint: min
```
## Spare devices shall match the installed devices in model, range, and firmware, and shall be turned over against a written inventory signed by the Owner's representative.
## Spare sensors with polymer humidity elements or infrared optics age in storage, and a spare kept for five years can be no better than the device it replaces; the inventory records the delivery date so the Owner can rotate them. {note}